Home / 83,864.89-125,793.23-31,270.26

Finding the Fourth Proportional to 83,864.89, 125,793.23 and 31,270.26

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Solution

The fourth proportional to 83,864.89, 125,793.23 and 31,270.26 is: 46,903.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,864.89 : 125,793.23 = 31,270.26 : x
  2. Step 2: Convert to fraction form
    83,864.89/125,793.23 = 31,270.26/x
  3. Step 3: Cross multiply
    83,864.89x = 125,793.23 × 31,270.26
  4. Step 4: Simplify right side
    83,864.89x = 3,933,586,851.99
  5. Step 5: Solve for x
    x = 3,933,586,851.99/83,864.89
  6. Step 6: Final answer
    x = 46,903.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.